Life Changes. Mutation. Causes of mutations 2

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next.jpgmore_grey.jpgback.jpgLife Changes. Mutation. Causes of mutations 2help.jpgJoin56x56.jpghome.jpgThe links between each base-pair are split apart like a zipper.
Special chemicals then start matching up the bases again.
Each half of the zipper becomes matched up with a new half.

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